Which browser do you use?

None of those are browsers... They're search engines. A browser is a program or application that you use to access the Internet (e.g. Firefox, Chrome, Opera, Safari, Internet Explorer...) and a search engine is the web site that you go on to find other web sites or 'search' for web sites.

ditto

safari

hahahahaha!who uses bing or yahoo anymore?

btw,they're search engines,not browsers.